foul

Disrespectful is a related term of foul.

As an adjective disrespectful

is lacking respect.

As a noun foul is

foul (a breach of the rules of a game).

Foul is a related term of mean.

As nouns the difference between foul and mean

is that foul is foul (a breach of the rules of a game) while mean is middle.

As an adjective mean is

mid, central.

Inclement is a synonym of foul.

As an adjective inclement

is inclement.

As a noun foul is

foul (a breach of the rules of a game).

Foul is a related term of sinful.

As a noun foul

is foul (a breach of the rules of a game).

As an adjective sinful is

full of sin; wicked; iniquitous; unholy.

Foul is a related term of infernal.

As nouns the difference between foul and infernal

is that foul is foul (a breach of the rules of a game) while infernal is (obsolete) an inhabitant of the infernal regions.

As an adjective infernal is

of or relating to hell, or the world of the dead; hellish.

Macabre is a related term of foul.

As an adjective macabre

is representing or personifying death.

As a noun foul is

foul (a breach of the rules of a game).

Gruesome is a related term of foul.

As an adjective gruesome

is repellently frightful and shocking; horrific or ghastly.

As a noun foul is

foul (a breach of the rules of a game).

Foul is a related term of difficult.

As a noun foul

is foul (a breach of the rules of a game).

As an adjective difficult is

hard, not easy, requiring much effort.

As a verb difficult is

(obsolete|transitive) to make difficult; to impede; to perplex.

As adjectives the difference between foul and vulgar

is that foul is covered with, or containing unclean matter; polluted; nasty; defiled while vulgar is debased, uncouth, distasteful, obscene.

As a verb foul

is to make dirty.

As a noun foul

is a breach of the rules of a game, especially one involving inappropriate contact with an opposing player in order to gain an advantage; as, for example, foot-tripping in soccer, or contact of any kind in basketball.

As adjectives the difference between foul and stained

is that foul is covered with, or containing unclean matter; polluted; nasty; defiled while stained is having a stain.

As verbs the difference between foul and stained

is that foul is to make dirty while stained is past tense of stain.

As a noun foul

is a breach of the rules of a game, especially one involving inappropriate contact with an opposing player in order to gain an advantage; as, for example, foot-tripping in soccer, or contact of any kind in basketball.